Whether or not May can create a new government will have a big impact on how the Brexit divorce happens. Brexit negotiations begin June 19, which also happens to be the first day of Britain's new parliament and the day May is expected to outline her legislative program.

2. Yahoo/Verizon deal to close: After nearly a year since the initial acquisition was announced, the Verizon/Yahoo deal is finally expected to close Tuesday. The deal will mean the end of the iconic YHOO ticker and the birth of Oath, a new digital company under Verizon.

3. Will the Fed raise interest rates? The Fed is expected to raise interest rates again when it meets Wednesday. A June rate hike would still leave rates relatively low, which keeps the economy happy.

Fed chief Janet Yellen is trying to keep Wall Street running smoothly amid a string of major world events, including the U.K. election and fired FBI chief James Comey's testimony last week.

But the recent jobs report showed signs the economy may be losing steam. The unemployment rate dropped to 4.3%, its lowest level since May 2001. Some economists say that's too low, making it harder for employers to hire the workers they want. And only 138,000 jobs were added, less than the 174,000 jobs gained in April.